Streamlined flow channel design, small fluid resistance and small
medium pressure loss
Specially designed multiple sealing seats for reliable sealing
Fire safe structure design
Compact structure, small dimensions, simple installation
Precisely designed springs ensure low-pressure sealing and low-pressure opening
No jamming of opening and closing, reliable operation and long service life
Low noise, energy saving, environmental protection
Design, manufacture and inspection: API 6D
End connection: flange, welded
Nominal diameter: 1/2"~72" (DN15~DN1800)
Pressure Rating: Class 150~2500(PN16~PN420)
Applicable temperature: -46~200 °C
Material category: carbon steel, alloy steel, stainless steel, duplex steel and
other special materials